Senior Fellow, National Institute for Public Finance and Policy, New Delhi (2007-)
Consultant, Department of Economic Affairs, Ministry of Finance, New Delhi, (2001 – 2005).
Associate Professor, IGIDR, Bombay (2001).
Assistant Professor, IGIDR, Bombay (1996-2001).
President, CMIE, Bombay (1993-1996).
Visiting faculty, IGIDR, Bombay (1994-1996).
Consultant, Rand Corporation, Santa Monica (1990-1993).